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Finding the Fourth Proportional to 224,420.22, 309,691.35 and 123,818.22

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Solution

The fourth proportional to 224,420.22, 309,691.35 and 123,818.22 is: 170,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,420.22 : 309,691.35 = 123,818.22 : x
  2. Step 2: Convert to fraction form
    224,420.22/309,691.35 = 123,818.22/x
  3. Step 3: Cross multiply
    224,420.22x = 309,691.35 × 123,818.22
  4. Step 4: Simplify right side
    224,420.22x = 38,345,431,706.40
  5. Step 5: Solve for x
    x = 38,345,431,706.40/224,420.22
  6. Step 6: Final answer
    x = 170,864.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.